Answer:
2. blood vessels under the skin expand
Explanation:
i just took that quiz and i got it right :)
Since this is movement that is occurring against the natural movement from high to low concentration, this is Active transport.
The option C.
1 is b or 1/4 (I'd recommend checking a punnet square too)
The correct answer is option D, Temporal isolation
Temporal isolation is the mechanism which prevents the mating of closely related species living in the same ecosystem. Basically the reproductive barriers prevent these species from interbreeding. Temporal isolation is a prezygotic barrier that causes “time isolation” between the breeding period of two closely related species. The difference in time could be “difference in time of day”, “ difference in season of mating”, “difference in months” and in some cases “ difference in years”.
Primary growth or lengthening of plants results from mitotic division in cells of the apical meristem tissue. The apical meristem can be found in the top of plants. When the plant divides, it helps to lengthen it. The correct choice is C.
